fileiodevice.h

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#pragma once
 
#include <cstdio>
#include <promeki/core/namespace.h>
#include <promeki/core/iodevice.h>
#include <promeki/core/string.h>
 
PROMEKI_NAMESPACE_BEGIN
 
class FileIODevice : public IODevice {
        PROMEKI_OBJECT(FileIODevice, IODevice)
        public:
                enum Flag {
                        NoFlags  = 0x00, 
                        OwnsFile = 0x01  
                };
 
                static FileIODevice *stdinDevice();
 
                static FileIODevice *stdoutDevice();
 
                static FileIODevice *stderrDevice();
 
                FileIODevice(FILE *file, OpenMode mode, int flags = NoFlags,
                             ObjectBase *parent = nullptr);
 
                explicit FileIODevice(const String &filename, ObjectBase *parent = nullptr);
 
                explicit FileIODevice(ObjectBase *parent = nullptr);
 
                ~FileIODevice() override;
 
                FileIODevice(const FileIODevice &) = delete;
                FileIODevice &operator=(const FileIODevice &) = delete;
 
                void setFilename(const String &filename);
 
                const String &filename() const { return _filename; }
 
                FILE *file() const { return _file; }
 
                bool ownsFile() const { return _ownsFile; }
 
                FILE *takeFile();
 
                Error open(OpenMode mode) override;
 
                Error close() override;
                void flush() override;
                bool isOpen() const override;
                int64_t read(void *data, int64_t maxSize) override;
                int64_t write(const void *data, int64_t maxSize) override;
                bool isSequential() const override;
                Error seek(int64_t pos) override;
                int64_t pos() const override;
                bool atEnd() const override;
 
        private:
                FILE    *_file     = nullptr;
                String  _filename;
                bool    _ownsFile  = false;
};
 
PROMEKI_NAMESPACE_END